102471742578 has 16 divisors (see below), whose sum is σ = 204953114016. Its totient is φ = 34155642720.

The previous prime is 102471742523. The next prime is 102471742603. The reversal of 102471742578 is 875247174201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258976 + ... + 521547.

It is an arithmetic number, because the mean of its divisors is an integer number (12809569626).

Almost surely, 2^102471742578 is an apocalyptic number.

102471742578 is an abundant number, since it is smaller than the sum of its proper divisors (102481371438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102471742578 is a wasteful number, since it uses less digits than its factorization.

102471742578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802409.

The product of its (nonzero) digits is 878080, while the sum is 48.

The spelling of 102471742578 in words is "one hundred two billion, four hundred seventy-one million, seven hundred forty-two thousand, five hundred seventy-eight".